package com.example.yo7a.healthwatcher.Math;

public class Maths {

    /**
     * sqrt(a^2 + b^2) without under/overflow.
     **/
    public static double hypot(double a, double b) {
        double r;
        if (Math.abs(a) > Math.abs(b)) {
            r = b / a;
            r = Math.abs(a) * Math.sqrt(1 + r * r);
        } else if (b != 0) {
            r = a / b;
            r = Math.abs(b) * Math.sqrt(1 + r * r);
        } else {
            r = 0.0;
        }
        return r;
    }

}

